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What are the features and capabilities of the Playwright library?

Answer

Meet Playwright

Playwright is a Node.js library that lets you automate browser interactions. It's like having a superpower to control Chromium, Firefox, and WebKit browsers with a high-level API. You can use it to write end-to-end tests, automate browser tasks, and even scrape websites.

Key Features

One of the coolest things about Playwright is its ability to run tests in multiple browsers at the same time. You can test your app across different browser engines without writing separate test suites for each one. Plus, it supports headless mode, so your tests can run without a visible browser window.

Playwright also gives you tools to configure and customize your testing environment. You can use hooks to set up your app before each test or configure custom reporters to get detailed output about test results.

Modern Web Technologies Support

If you're working with modern web technologies like React and Vue.js, Playwright has got you covered. It includes specialized APIs for these frameworks, making it easy to interact with components and simulate user interactions.

Community and Maintenance

Lastly, Playwright is maintained by Microsoft and has a growing community of contributors. This means you can expect regular updates and improvements.

Here's a simple Playwright test example in TypeScript:

import { test, expect } from '@playwright/test';

test('basic test', async ({ page }) => {
  await page.goto('https://ray.run/');
  const title = await page.title();
  expect(title).toBe('Ray');
});

For more insights on Playwright, check out these blog posts on detecting and handling flaky tests and comparing automated testing tools.

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Rayrun is a community for QA engineers. I am constantly looking for new ways to add value to people learning Playwright and other browser automation frameworks. If you have feedback, email luc@ray.run.